references from the internet…

http://www.quickposes.com/assets/poses/772f324bea571545d815c52668559957.jpg

http://www.quickposes.com/assets/poses/9b00adc7a7b6cbe01415e4cf4357b660.jpg

https://s-media-cache-ak0.pinimg.com/736x/6f/37/63/6f376375ab351995b2f56575dd5f3964.jpg

http://www.quickposes.com/assets/poses/ea25721e740757fd7e34d34f0690a522.jpg

pencil, 2015